Home / 1,698,638.72-2,548,047.36-436,474.88

Finding the Fourth Proportional to 1,698,638.72, 2,548,047.36 and 436,474.88

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Solution

The fourth proportional to 1,698,638.72, 2,548,047.36 and 436,474.88 is: 654,735.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698,638.72 : 2,548,047.36 = 436,474.88 : x
  2. Step 2: Convert to fraction form
    1,698,638.72/2,548,047.36 = 436,474.88/x
  3. Step 3: Cross multiply
    1,698,638.72x = 2,548,047.36 × 436,474.88
  4. Step 4: Simplify right side
    1,698,638.72x = 1,112,158,665,690.32
  5. Step 5: Solve for x
    x = 1,112,158,665,690.32/1,698,638.72
  6. Step 6: Final answer
    x = 654,735.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.